Best Activity Monitors for Guys

Know Your Numbers

You've strapped on an activity monitor. Great! Now what?

HAVE A GOALThe best way to become more active is to combine tracking with goal setting, says Dena Bravata, M.D., M.S., a Stanford University researcher. Set a target: 10,000 steps is great for a healthy guy, but even modest goals challenge you to move more than you would when tracking alone.

FACTOR IN ERRORMonitors can overestimate calories burned by as much as 40 percent, says Dan Heil, Ph.D., an exercise physiologist at Montana State University. So track intensity, not overall burn. Compare from workout to workout to see if you're ramping it up enough.

BE PATIENTResting heart rate is a great metric for gauging fitness, but it's best for long-term changes, Heil says. Record your resting heart rate in the morning before you get out of bed, and check for improvement after several months.

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